- the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.
Origin of diapedesis
1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for diapedesis
It is supposed that in many such cases the hemorrhage is due to diapedesis, and not to rupture of a blood-vessel (rhexis).
The theory of blood pressure may apply to diapedesis accompanying the inflammatory process.
That leading feature of viper poison, diapedesis with hæmorrhage, does not occur with either.
Diapedesis is now supposed to be the result of blood pressure, but it occurs in snakebite, where blood pressure is at zero.
This escape of red corpuscles is known as diapedesis, and is sometimes so extensive as to amount to capillary hemorrhage.Surgery, with Special Reference to Podiatry
- the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues
C17: New Latin, from Greek: a leaping through, from diapēdan to spring through, from dia- + pēdan to leap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue.migration
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.